20643714

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4201}}^1$

素因数の和:4232

約数の個数: 64

約数和(自身を含む): 56474880

約数和(自身を除く): 35831166

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 182, 189, 234, 273, 351, 378, 546, 702, 819, 1638, 2457, 4201, 4914, 8402, 12603, 25206, 29407, 37809, 54613, 58814, 75618, 88221, 109226, 113427, 163839, 176442, 226854, 264663, 327678, 382291, 491517, 529326, 764582, 793989, 983034, 1146873, 1474551, 1587978, 2293746, 2949102, 3440619, 6881238, 10321857, 20643714]

約数ペア:

[(1, 20643714), (2, 10321857), (3, 6881238), (6, 3440619), (7, 2949102), (9, 2293746), (13, 1587978), (14, 1474551), (18, 1146873), (21, 983034), (26, 793989), (27, 764582), (39, 529326), (42, 491517), (54, 382291), (63, 327678), (78, 264663), (91, 226854), (117, 176442), (126, 163839), (182, 113427), (189, 109226), (234, 88221), (273, 75618), (351, 58814), (378, 54613), (546, 37809), (702, 29407), (819, 25206), (1638, 12603), (2457, 8402), (4201, 4914)]